Stratos Blue

CSS

:root {
  --stratos-blue: #3799c8;
  --stratos-blue-rgb: 55 153 200;
  --stratos-blue-oklch: oklch(0.647 0.113 233.5);
}

.element {
  color: var(--stratos-blue);
  background-color: hsl(199 57% 50%);
  border-color: oklch(0.647 0.113 233.5);
}

Tailwind CSS v4

@theme {
  --color-stratos-blue: #3799c8;
  --color-stratos-blue-50: #d7fbff;
  --color-stratos-blue-100: #c4efff;
  --color-stratos-blue-200: #a5ddfe;
  --color-stratos-blue-300: #7cc1ea;
  --color-stratos-blue-400: #51a9d7;
  --color-stratos-blue-500: #1491c5;
  --color-stratos-blue-600: #177ba6;
  --color-stratos-blue-700: #136385;
  --color-stratos-blue-800: #074962;
  --color-stratos-blue-900: #053245;
  --color-stratos-blue-950: #001e2d;
}

SCSS

$stratos-blue: #3799c8;
$stratos-blue-rgb: 55, 153, 200;
$stratos-blue-light: mix(#fff, $stratos-blue, 20%);
$stratos-blue-dark: mix(#000, $stratos-blue, 20%);

.element {
  color: $stratos-blue;
  box-shadow: 0 0 0 2px rgba($stratos-blue, 0.35);
}